go/src/runtime/rdebug.go

// Copyright 2014 The Go Authors.  All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package runtime

import _ "unsafe" // for go:linkname

//go:linkname setMaxStack runtime/debug.setMaxStack
func setMaxStack(in int) (out int) {
	out = int(maxstacksize)
	maxstacksize = uintptr(in)
	return out
}

//go:linkname setPanicOnFault runtime/debug.setPanicOnFault
func setPanicOnFault(new bool) (old bool) {
	mp := acquirem()
	old = mp.curg.paniconfault
	mp.curg.paniconfault = new
	releasem(mp)
	return old
}